Apisto Agassizii Double Red (Apistogramma agassizii) - UK

Apisto Agassizii is one of the most rewarding dwarf cichlids you can keep when you want vivid colour, intelligent behaviour, and true South American character in a manageable aquarium size. Apistogramma agassizii, especially the Apistogramma agassizii Double Red strain, combines a sleek body shape with extended finnage and rich red highlights that stand out beautifully over sand, leaf litter, and planted layouts. This Agassiz Dwarf Cichlid comes from the Amazon basin of Peru and Brazil, where soft, slightly acidic water and sheltered margins shape its behaviour. In the aquarium, it is a peaceful but territorial bottom-area cichlid that usually reaches around 7.5 cm, with an Apistogramma Agassizii lifespan of up to 5 years when kept in stable conditions.

For many fishkeepers, the appeal is simple: this is a stunning double red dwarf cichlid that offers more personality than most small community fish. It is often chosen as a peaceful dwarf cichlid for community tank setups, especially in carefully planned soft-water aquariums. If you have been comparing Apistogramma agassizii double red with apistogramma cacatuoides, apistogramma panduro, or even a ram cichlid, this variety sits in a sweet spot of colour, manageable care, and fascinating breeding behaviour. See our detailed photos showing the long dorsal fin rays, red-edged caudal fin, and elegant body line that make this Red Apistogramma such a standout choice for a planted Amazon-style display.

Whether you are looking for a colourful pair for a feature tank, researching apisto double red care, or shopping for quality Apistogramma UK stock, this guide covers everything from Apistogramma Agassizii tank size and feeding to breeding, health, and tank mates so you can keep this fish with confidence.

Where Do Apisto Agassizii Come From? Natural Habitat Explained

The natural apisto agassizii habitat is the Amazon basin in South America, with populations recorded across slow-moving tributaries, flooded forest edges, and shallow marginal zones in Peru and Brazil. In the wild, these fish are usually found in calm water with a sandy or silty bottom, scattered roots, branches, and decomposing leaf litter. That habitat matters because it explains why Apistogramma agassizii water parameters in captivity should lean soft, warm, and slightly acidic rather than hard and alkaline.

Wild fish spend much of their time close to cover, weaving through submerged wood and inspecting small caves. They feed on tiny crustaceans, insect larvae, zooplankton, and organic matter picked from the substrate. That natural grazing and hunting behaviour is why a varied apisto agassizii diet works better than relying on one dry food alone. It also explains why these fish are calmer and more confident in tanks with visual barriers and low-level territories rather than open, exposed layouts.

Many aquarists first discover this species while searching for a South American cichlid UK option that stays small enough for a 60-90 litre setup. Compared with some larger cichlids, the Agassiz Cichlid is much easier to place in a peaceful soft-water community, provided tank mates are chosen carefully. Selective strains such as Apistogramma agassizii fire red, apistogramma agassizii super red, and Double Red all descend from this same Amazonian species, but colour intensity can vary depending on genetics, diet, and water quality.

Because this fish comes from warm blackwater and clearwater environments, stability is more important than chasing extreme numbers. If you recreate the feel of the Amazon with botanicals, driftwood, dimmer light, and secure spawning sites, you will see more natural posture, stronger pair bonding, and better colour. That is one reason many hobbyists consider it the best apistogramma for planted tank displays with a natural theme.

How to Set Up the Perfect Tank for Apisto Agassizii

A thoughtful Apistogramma agassizii tank setup makes the difference between a fish that hides and a fish that thrives. The minimum Apistogramma Agassizii tank size for a pair is 60 litres, but 75-90 litres is a much better working size if you want stable water quality, a proper territory layout, and room for dither fish. For a single male with multiple females, or if you want a more complex community, go larger. If you are planning around apistogramma agassizii double red tank size, think in terms of floor space, not just litres, because these fish use the lower level of the aquarium.

Tank Size Requirements

A bonded pair can live in 60 litres if the aquascape includes caves, wood, and broken sight lines. For an Apistogramma agassizii breeding pair, 70-80 litres gives the female more control over a spawning site and allows the male to keep distance after spawning. In a community aquarium, 90 litres or more is ideal. The male grows larger and more ornate, while the female needs secure retreat areas, especially when guarding eggs or fry.

Water Parameters

The ideal apistogramma agassizii temperature is 24-28°C, with an apisto agassizii temperature range around 25-27°C being especially reliable for everyday care. The Apistogramma agassizii pH range is 5.5-7.0, and softer water usually gives the best long-term results. Aim for Apistogramma agassizii water hardness of 2-12 dGH, though breeding is often easier below 6 dGH. These are the core Apistogramma Agassizii water parameters most keepers should focus on: warm, soft, clean, and stable.

Filtration

Use gentle but efficient filtration. A mature sponge filter works very well in breeding tanks, while a small external or internal filter with spray-bar flow suits display aquariums. Avoid excessive current. This species comes from slower water, and heavy flow can make feeding harder and increase stress. If you want to build a polished display around this fish, pair it with the right Apistogramma collection choices and calm filtration rather than river-style movement.

Substrate

Fine sand is the best substrate for this species. It protects delicate mouthparts, looks natural, and helps the fish sift and inspect the bottom. Darker sand often improves confidence and intensifies colour in a Red Apistogramma. Keep depth around 2-4 cm unless you are heavily planting rooted species.

Plants & Decor

Apisto agassizii for planted aquarium setups works exceptionally well. Use driftwood, caves made from coconut shells or ceramic shelters, and robust plants such as Cryptocoryne, Java fern, Anubias, and floating cover. A heavily planted scape can make this one of the best apistogramma for planted tank layouts because the fish use shadows and cover naturally. If you enjoy comparing strains, the classic Double Red Agassiz's Dwarf Cichlid and the brighter Apistogramma Fire Red Agassiz Dwarf Cichlid both look superb among wood and broad-leaved plants.

Lighting Requirements

Moderate lighting is ideal. Bright light is fine if broken by floating plants or wood shadows. Run lights for 6-8 hours in new setups and 8-10 hours in mature planted aquariums. Strong overhead light without cover can make the fish skittish.

What Do Apisto Agassizii Eat? Complete Feeding Guide

The ideal apisto agassizii diet is varied, protein-rich, and offered in small portions. In the wild, these fish pick through debris and hunt tiny live prey, so they do best when fed like micro-predators rather than general community fish. Good staple foods include quality micro pellets, soft granules, and fine frozen foods. The most reliable Apistogramma agassizii feeding routine combines a dry staple with frozen or live supplements several times per week.

Staple Foods

Use a high-quality micro pellet as the daily base. Choose a sinking or slow-sinking food so the fish can feed naturally in the lower half of the tank. This supports healthy growth, stable condition, and good colour in both the male and apistogramma agassizii double red female.

Supplemental Foods

Frozen brine shrimp, daphnia, cyclops, and bloodworm are excellent additions. These foods improve body condition and help prepare an Apistogramma Agassizii breeding pair for spawning. Live foods can be especially useful if a new import is shy or slow to accept pellets.

Treats & Conditioning Foods

For conditioning before Apistogramma Agassizii breeding, offer small portions of live or frozen brine shrimp and daphnia 1-2 times daily. Rich foods should be used carefully; overdoing bloodworm can lead to digestive issues. If you are comparing Double Red Agassizi with other strains such as apistogramma agassizii blue or apistogramma agassizii yellow, nutrition is one of the biggest factors affecting how intense the finnage colour becomes.

Feeding Frequency & Portion Control

Feed adults once or twice daily in portions they finish within 30-60 seconds. Juveniles can be fed more often in smaller amounts. In a community setting, watch carefully to ensure midwater fish do not take everything before the apistos reach it. This is especially important when keeping Apistogramma agassizii for community tank layouts with fast tetras.

Foods to avoid include oversized pellets, fatty feeder foods, and anything that pollutes the substrate quickly. Copper is not a food issue, but be cautious with medicated foods or treatments in mixed tanks with invertebrates. If you are choosing between this fish and other dwarf cichlid UK options, feeding is one of the reasons it suits keepers who enjoy offering variety rather than one-flake-fits-all routines.

Apisto Agassizii Appearance: Colors, Patterns & Varieties

The body of Apisto Agassizii is long and streamlined rather than deep-bodied, with a pointed head, elegant dorsal fin, and a striking caudal shape that gives the fish a refined look. Typical apistogramma agassizii size is around 7-7.5 cm for males, while females stay smaller and fuller-bodied. If you are searching apisto agassizii size before buying, expect the male to be the visual centrepiece and the female to show stronger breeding colour changes.

The Double Red form is known for vivid red edging and wash across the dorsal, anal, and tail fins. In a settled fish, the body often shows a silver, gold, or blue-green sheen with a darker lateral marking. This is why the strain is often described as a Red Apistogramma even though the body itself is not solid red. A mature male can look spectacular under warm-spectrum lighting with dark substrate and wood tannins.

Sexing is usually straightforward. The male is larger, more elongated, and carries longer finnage with stronger red extension. The apistogramma agassizii double red female is smaller, rounder, and less ornate, but during breeding she can turn a bright yellow with bold contrast markings. This answers one of the most common customer questions about apistogramma agassizii double red male or female: males are more colourful overall, but breeding females show some of the most dramatic temporary colour shifts in the species.

Other popular forms include apistogramma agassizii fire red, apistogramma agassizii super red, apisto agassizii blue, apisto agassizii blue flame, and locality-linked names such as apistogramma agassizii alenquer and apistogramma agassizii tefe. Our photos of this strain show the crisp red finnage and balanced body line that make the Double Red one of the most sought-after display forms.

What Fish Can Live With Apisto Agassizii? Compatibility Guide

In the right setup, this species is a peaceful dwarf cichlid for community tank use, but it is not passive. The key to success is understanding that apisto agassizii behaviour is calm most of the time, territorial around the bottom, and much more defensive during spawning. That means the best Apistogramma Agassizii tank mates are small, peaceful fish that occupy the upper and middle levels without challenging the pair for caves or floor space.

Ideal Tank Mates

Small tetras, pencilfish, and Corydoras are the classic companions. Pencilfish are especially good because they stay near the top and act as dither fish, helping the apistos feel secure. Corydoras can work well in larger tanks, though they may be chased if they get too close to a cave during breeding. For hobbyists browsing Apistogramma UK stock for a soft-water display, this species is often chosen as one of the best Apistogramma for community tank options when the tank is not overcrowded.

If you like the genus and want to compare alternatives, consider Apistogramma Borellii «Opal» - Opal Umbrella for a gentler temperament, Apistogramma Fire Red Agassiz Dwarf Cichlid for a hotter red look, or Welcome Beautiful Apistogramma Agassizii 'Super Red' if you prefer a more intense selectively bred line. Many keepers weighing apisto agassizii vs apisto borellii choose agassizii when they want a sleeker body and stronger territorial cichlid behaviour.

Species to Avoid

Avoid large cichlids, fin-nippers, and aggressive bottom dwellers. This includes robust Central American cichlids and most boisterous species that dominate food or harass the pair. Even though this is a true freshwater cichlid UK favourite, it should not be mixed casually with fish that treat the whole tank as their territory.

Community Tank Stocking Examples

In a 90-litre aquarium, a pair of Apistogramma agassizii double red can work with 10-12 small tetras and 6 pencilfish. In a 120-litre setup, you can add a small Corydoras group if there are multiple caves and open feeding areas. For those asking whether this is suitable as a colourful dwarf cichlid pair UK centrepiece, the answer is yes—provided the rest of the stock is peaceful and soft-water compatible.

Compatibility with Invertebrates

Snails are usually fine. Small shrimp may be hunted, especially shrimplets. Adult Amano shrimp have a better chance than tiny Neocaridina, but caution is still wise. This is not unusual for a tropical cichlid UK species with a natural instinct to pick at microfauna.

Questions like apistogramma agassizii double red tank mates and Apistogramma agassizii for community tank come up often because many buyers want one fish that is colourful but manageable. This species fits that role well. It is a stunning double red dwarf cichlid for a calm Amazon community, but not a fish for random mixed cichlid tanks.

How to Breed Apisto Agassizii: Complete Breeding Guide

Apistogramma Agassizii breeding is moderate in difficulty and one of the main reasons experienced hobbyists love this fish. A settled Apistogramma agassizii breeding pair will often spawn in a cave, under wood, or inside a sheltered crevice. The female takes the lead in brood care, while the male defends the wider territory. This division of labour is classic apisto behaviour and fascinating to watch.

Breeding Setup

Use a species-focused or lightly stocked tank of 60-80 litres for a pair. Keep the Apistogramma agassizii breeding temperature around 26-27°C, with very clean water, low nitrate, and soft conditions. Many breeders aim for pH 5.8-6.5 and hardness below 6 dGH. Several caves are essential so the female can choose a secure site. If you are serious about apisto agassizii breeding, feed heavily but cleanly with frozen brine shrimp and daphnia for 1-2 weeks before expecting a spawn.

Spawning Behaviour

The female becomes brighter, often showing the classic yellow brood dress with dark markings. She will display to the male, inspect caves, and then lay eggs on the roof or wall of the chosen site. The male fertilises externally and patrols nearby. One of the most common questions is whether apistogramma agassizii double red breeding differs from other strains; in practice, the core behaviour is the same, though fertility and brood size can vary line by line.

Egg Care & Hatching

Eggs usually hatch in 2-4 days depending on temperature. The female may move wrigglers between pits or sheltered spots before the fry become free-swimming a few days later. At this stage, avoid sudden maintenance, strong flow, or bright disturbances near the brood area.

Fry Care & Growth

Feed infusoria, vinegar eels, or powdered fry food at first, then newly hatched brine shrimp once the fry are large enough. Daily small water changes are far safer than large disruptive ones. If you are buying with breeding in mind and searching for buy apisto agassizii pair UK, buy double red apisto pair UK, or apistogramma pair for sale UK, a confirmed compatible pair is always easier than trying to form one from unrelated juveniles.

Common Breeding Challenges

Common issues include infertile eggs, first-time parents eating the spawn, and females becoming too aggressive in cramped tanks. These problems are often solved by softer water, more caves, and better conditioning. Buyers comparing apistogramma agassizii double red size and maturity should note that young fish may colour up before they are fully reliable breeders.

Apisto Agassizii vs Similar Species: Which Should You Choose?

Choosing between similar dwarf cichlids matters because each species has a slightly different balance of colour, temperament, and water preference. The most common comparisons are Apistogramma Agassizii vs Apistogramma cacatuoides and apistogramma agassizii vs ram cichlid. Buyers also ask about double red vs super red agassizi when deciding between strains.

Compared with apistogramma cacatuoides, the Double Red Agassizii usually looks more streamlined and refined, with a more elongated profile. Cacatuoides is often considered slightly more forgiving in mixed water conditions, but many aquarists prefer the shape and colour balance of Apistogramma agassizii Double Red in a natural scape.

If you are comparing apisto agassizii vs apisto borellii, Borellii is often calmer and more tolerant of slightly cooler water, while agassizii offers a more dramatic body line and stronger cave-spawning behaviour. If you are comparing strains like apistogramma agassizii fire red, apistogramma agassizii super red, and Double Red, the choice is mostly aesthetic. Double Red gives a balanced, classic look; Fire Red pushes the red tones harder; Super Red is often selected for even more intense finnage colour. You can explore alternatives through OF Apistogramma Agassizii «Double Red» and Apistogramma Agassizii «Super Red» - Super.

Common Health Problems in Apisto Agassizii & How to Prevent Them

A healthy Agassiz Cichlid is alert, curious, well-coloured, and eager to feed. The fins should be open, the belly gently rounded rather than pinched, and the fish should hold position confidently near cover. In established tanks, a healthy pair will also show normal territorial movement and interest in caves or feeding zones.

Common Diseases & Symptoms

Like many dwarf cichlids, this species is sensitive to poor water quality. Common problems include white spot, bacterial fin damage, internal parasites, and stress-related colour loss. Newly imported or recently moved fish may hide, darken, or refuse food for a short period, but persistent clamped fins, rapid breathing, or weight loss need attention. Because the Agassiz Cichlid prefers warm, soft, clean water, even moderate nitrate buildup can affect condition over time.

Treatment Options

Start with water quality. Test ammonia, nitrite, nitrate, pH, and temperature before reaching for medication. Many mild issues improve with warmer stable conditions, extra aeration, and small frequent water changes. Quarantine is strongly recommended before treating. If medication is needed, dose carefully and avoid harsh combinations in soft water.

Prevention Tips

Prevention is easier than cure. Keep the tank mature, avoid overstocking, feed a varied diet, and do regular maintenance. This species handles routine better than chaos. If you are researching apisto agassizii for sale or apistogramma agassizii for sale, choose fish that are already feeding well and have been observed for stability before dispatch.

Quarantine Procedures

Use a separate bare-bottom or lightly furnished tank with a sponge filter and a few hiding places. Observe new arrivals for 2-4 weeks. Watch for flashing, stringy waste, fin damage, or refusal to feed. This step is especially useful when building a mixed Apistogramma UK order with multiple species or tank mates.

Understanding Apisto Agassizii Behavior in the Aquarium

Apisto agassizii behaviour is one of the biggest reasons this species is so enjoyable. These fish are intelligent, observant, and full of small interactions that reward patient keepers. They spend much of the day cruising the lower half of the tank, inspecting wood, sand, and cave entrances. Males display to rivals and females with flared fins and body posture, while females become much bolder when guarding a spawn.

Outside breeding, this is usually a calm and manageable peaceful dwarf cichlid for community tank use. During breeding, however, the female may defend a surprisingly large area around her cave. This is normal and not a sign that the fish has become unsuitable. It simply means the layout should include enough hiding spots and escape routes.

If you want to encourage natural behaviour, keep the décor layered and avoid sterile open tanks. Fine sand, wood, and broken sight lines bring out more confident movement. In well-designed setups, many keepers find this species becomes the star of the aquarium, making it a favourite dwarf cichlid pair buy UK option for hobbyists who want real cichlid personality without needing a huge tank.

Why Buy from Tropical Fish Co?

When buying a fish like Apistogramma agassizii Double Red, quality matters more than hype. This is a selectively bred colour strain, so the value is in body shape, finnage, feeding response, and stable condition—not just bright colour in a single photo. Our focus with this line is to offer properly conditioned fish that have settled onto prepared foods and show the balanced finnage and posture expected from a good Double Red Agassizi.

Each fish is observed before sale for feeding response, swimming behaviour, and overall condition. We do not treat this species like a generic community fish because it is not one. As a moderate-care South American cichlid UK species, it benefits from careful handling, warm stable holding conditions, and low-stress packing. Fish are dispatched in insulated packaging with heat packs in winter when needed, and sent by tracked delivery using professional bagging methods suited to dwarf cichlids.

This is especially important for customers searching buy Apistogramma agassizii double red UK, agassizi double red buy online UK, Apistogramma agassizii pair for sale UK, or apistogramma agassizii double red for sale UK. A healthy, settled pair gives you a far better chance of long-term success than freshly moved fish that have not adjusted to captive foods. We also provide practical care support so if you are new to Apistogramma UK species, you can plan your tank with confidence before the fish arrive.

If you are comparing Apistogramma Agassizii price UK, apistogramma agassizii double red price, or double red agassizi price UK, remember to compare what you are actually getting: sexed stock where listed, stable condition, careful packing, and guidance that matches the species. Order your Apisto Agassizii today with confidence and build a display that shows exactly why this fish remains one of the most admired dwarf cichlids in the hobby.

You Might Also Like

If you enjoy this Apisto Agassizii, there are several related options worth exploring. Compare strains with Apistogramma Agassizii for the classic Double Red look, or try the brighter Apistogramma Fire Red Agassiz Dwarf Cichlid for a hotter red finish. For an alternative temperament and shape, Apistogramma Borellii «Opal» - Opal Umbrella is a lovely choice. If you want a more intense line-bred red form, take a look at Welcome Beautiful Apistogramma Agassizii 'Super Red'. Customers building a full Apistogramma UK setup often also browse the wider Apistogramma collection to compare compatible species and display options.